"Two thousand."

"How many pounds in a bushel of oats?"

"Thirty in Virginia, but thirty-two in Carolina."

"How many in a bushel of wheat?"

"Sixty"

"Corn?"

"Fifty-six pounds of shelled corn, or seventy pounds of ears."

"Potatoes?"

"Eighty-six pounds,--both kinds the same, but most States require
sixty pounds for the Irish potatoes."

Percy laughed. "You see," he said, "you have more figures in your
head than I have in mine. You have mentioned twice as many right
here, without a moment's hesitation, as I try to remember for the
plant food contained in clover. I like to keep in mind the
requirements of large crops, such as it is possible to raise under
our climatic conditions if we will provide the stuff the crops are
made of, so far as we need to, and do the farm work as it should be
done. I never try to remember how much plant food is required for
twenty-two bushels of corn per acre, which is the average yield of
Virginia for the last ten years, while an authentic record reports a